/* =========================================================
   INFECTIOUS & COMMUNICABLE DISEASES
   GLOBAL HEALTH EXPLORERS
   VERSION 2.0 — AUGUST 2026
========================================================= */


/* =========================================================
   DESIGN TOKENS
========================================================= */

.infectious-diseases-page {

    --id-navy: #0b2d4d;
    --id-navy-deep: #071f35;

    --id-teal: #087f8c;
    --id-teal-light: #e8f6f7;

    --id-blue: #2f6f9f;
    --id-blue-light: #edf5fb;

    --id-green: #4e8c68;
    --id-green-light: #edf7ef;

    --id-gold: #f2b84b;
    --id-gold-light: #fff7df;

    --id-orange: #c97835;
    --id-orange-light: #fff3e6;

    --id-purple: #7657a8;
    --id-purple-light: #f3eefb;

    --id-red: #b95050;
    --id-red-light: #fceeee;

    --id-bg: #f3f8fb;
    --id-text: #183447;
    --id-muted: #557080;
    --id-border: #dcecf3;

    background: var(--id-bg);
    color: var(--id-text);
}


/* =========================================================
   RESET FOR PAGE
========================================================= */

.infectious-diseases-page *,
.infectious-diseases-page *::before,
.infectious-diseases-page *::after {
    box-sizing: border-box;
}

.infectious-diseases-page img {
    max-width: 100%;
    display: block;
}

.infectious-diseases-page a {
    transition:
        color .2s ease,
        background-color .2s ease,
        border-color .2s ease,
        transform .2s ease,
        box-shadow .2s ease;
}


/* =========================================================
   NAVIGATION
========================================================= */

.id-site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(11,45,77,.97);

    box-shadow:
        0 5px 20px rgba(7,31,53,.15);

    backdrop-filter: blur(12px);
}

.id-navbar {
    max-width: 1380px;

    min-height: 76px;

    margin: 0 auto;

    padding: 10px 25px;

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 25px;
}

.id-brand {
    display: flex;

    align-items: center;

    gap: 10px;

    color: #ffffff;

    text-decoration: none;

    flex-shrink: 0;
}

.id-brand-mark {
    width: 42px;
    height: 42px;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 12px;

    background: #087f8c;

    color: #ffffff;

    font-size: .78rem;

    font-weight: 900;

    letter-spacing: .04em;
}

.id-brand-name {
    font-size: 1rem;

    font-weight: 800;

    letter-spacing: .01em;
}

.id-nav-links {
    display: flex;

    align-items: center;
    justify-content: center;

    gap: 5px;

    flex: 1;
}

.id-nav-links a {
    padding: 9px 11px;

    color: rgba(255,255,255,.82);

    border-radius: 9px;

    font-size: .82rem;

    font-weight: 700;

    text-decoration: none;

    white-space: nowrap;
}

.id-nav-links a:hover,
.id-nav-links a.active {
    background: rgba(255,255,255,.11);

    color: #ffffff;
}

.id-nav-links a.active {
    box-shadow:
        inset 0 -2px 0 #f2b84b;
}

.id-nav-cta {
    padding: 11px 17px;

    border-radius: 24px;

    background: #f2b84b;

    color: #0b2d4d;

    font-size: .82rem;

    font-weight: 900;

    text-decoration: none;

    white-space: nowrap;

    flex-shrink: 0;
}

.id-nav-cta:hover {
    transform: translateY(-1px);

    box-shadow:
        0 7px 18px rgba(0,0,0,.16);
}


/* =========================================================
   HERO
========================================================= */

.id-hero {
    position: relative;

    min-height: 650px;

    display: flex;

    align-items: center;
    justify-content: center;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #071f35 0%,
            #0b2d4d 42%,
            #087f8c 100%
        );

    color: #ffffff;
}

.id-hero::before {
    content: "";

    position: absolute;

    width: 620px;
    height: 620px;

    right: -220px;
    top: -230px;

    border-radius: 50%;

    background:
        rgba(255,255,255,.055);
}

.id-hero::after {
    content: "";

    position: absolute;

    width: 430px;
    height: 430px;

    left: -210px;
    bottom: -220px;

    border-radius: 50%;

    background:
        rgba(242,184,75,.08);
}

.id-hero-glow {
    position: absolute;

    border-radius: 50%;

    filter: blur(2px);

    pointer-events: none;
}

.id-glow-one {
    width: 170px;
    height: 170px;

    right: 18%;
    bottom: 8%;

    background:
        rgba(255,255,255,.045);
}

.id-glow-two {
    width: 110px;
    height: 110px;

    left: 18%;
    top: 15%;

    background:
        rgba(242,184,75,.08);
}

.id-hero-content {
    position: relative;
    z-index: 2;

    width: min(100%, 1000px);

    padding: 90px 25px 80px;

    text-align: center;
}

.hero-label {
    color: #d8f4f6 !important;

    font-size: .78rem;

    font-weight: 900;

    letter-spacing: .13em;
}

.id-hero-content h1 {
    margin: 18px 0 16px;

    color: #ffffff !important;

    font-size:
        clamp(2.6rem, 6vw, 5rem);

    line-height: 1.03;

    letter-spacing: -.035em;
}

.id-hero-content h1 span {
    display: block;

    color: #8de0df !important;
}

.hero-subtitle {
    max-width: 800px;

    margin: 0 auto 17px;

    color: #ffffff !important;

    font-size:
        clamp(1.15rem, 2vw, 1.45rem);

    font-weight: 700;

    line-height: 1.5;
}

.hero-description {
    max-width: 790px;

    margin: 0 auto;

    color: rgba(255,255,255,.9) !important;

    font-size: 1.08rem;

    line-height: 1.8;
}


/* =========================================================
   HERO PRINCIPLE
========================================================= */

.hero-principle {
    max-width: 720px;

    margin: 32px auto 0;

    padding: 20px 25px;

    display: flex;

    align-items: center;

    gap: 15px;

    text-align: left;

    border:
        1px solid rgba(255,255,255,.25);

    border-radius: 16px;

    background:
        rgba(0,0,0,.17);

    color: #ffffff !important;
}

.hero-principle strong {
    flex-shrink: 0;

    color: #f7d27a !important;

    font-size: .75rem;

    letter-spacing: .1em;
}

.hero-principle span {
    color: #ffffff !important;

    line-height: 1.6;
}

.hero-pathway {
    margin-top: 30px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-wrap: wrap;

    gap: 9px;

    color: rgba(255,255,255,.82);

    font-size: .72rem;

    font-weight: 900;

    letter-spacing: .08em;
}

.hero-pathway span:nth-child(even) {
    color: #f2b84b;
}


/* =========================================================
   GENERAL SECTIONS
========================================================= */

.id-section {
    max-width: 1220px;

    margin: 0 auto;

    padding:
        82px 25px;

    color: var(--id-text);
}

.id-section h2 {
    max-width: 950px;

    margin:
        9px 0 22px;

    color: var(--id-navy) !important;

    font-size:
        clamp(2rem, 4vw, 3.15rem);

    line-height: 1.12;

    letter-spacing: -.025em;
}

.id-section p {
    color: var(--id-text) !important;

    line-height: 1.75;
}

.section-label {
    color: var(--id-teal) !important;

    font-size: .79rem;

    font-weight: 900;

    letter-spacing: .13em;
}

.lead {
    max-width: 930px;

    font-size: 1.08rem;
}


/* =========================================================
   WHY IT MATTERS
========================================================= */

.id-intro-section {
    padding-bottom: 60px;
}

.id-principle {
    margin-top: 32px;

    padding: 26px 30px;

    display: flex;

    align-items: flex-start;

    gap: 18px;

    border-radius: 18px;

    background:
        linear-gradient(
            135deg,
            #0b2d4d,
            #124866
        );

    color: #ffffff;

    box-shadow:
        0 14px 35px rgba(11,45,77,.13);
}

.principle-icon {
    width: 45px;
    height: 45px;

    flex-shrink: 0;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #f2b84b;

    color: #0b2d4d;

    font-size: 1.25rem;

    font-weight: 900;
}

.id-principle strong {
    color: #f7d27a !important;

    font-size: 1.05rem;
}

.id-principle p {
    margin-top: 5px;

    color: #ffffff !important;
}


/* =========================================================
   INFECTIOUS VS COMMUNICABLE
========================================================= */

.distinction-section {
    padding-top: 55px;
}

.distinction-visual {
    margin-top: 38px;

    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        90px
        minmax(0, 1fr);

    align-items: stretch;

    gap: 15px;
}

.definition-card {
    position: relative;

    padding: 30px;

    border:
        1px solid var(--id-border);

    border-radius: 22px;

    background: #ffffff;

    box-shadow:
        0 12px 32px rgba(11,45,77,.08);

    overflow: hidden;
}

.definition-card::before {
    content: "";

    position: absolute;

    left: 0;
    top: 0;
    right: 0;

    height: 6px;
}

.infectious-definition::before {
    background:
        linear-gradient(
            90deg,
            #2f6f9f,
            #087f8c
        );
}

.communicable-definition::before {
    background:
        linear-gradient(
            90deg,
            #087f8c,
            #4e8c68
        );
}

.definition-top {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 15px;
}

.definition-icon {
    width: 48px;
    height: 48px;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 14px;

    background: var(--id-blue-light);

    font-size: 1.35rem;
}

.communicable-definition .definition-icon {
    background: var(--id-green-light);
}

.definition-tag {
    padding: 7px 10px;

    border-radius: 20px;

    background: var(--id-blue-light);

    color: var(--id-blue);

    font-size: .67rem;

    font-weight: 900;

    letter-spacing: .08em;
}

.communicable-definition .definition-tag {
    background: var(--id-green-light);

    color: var(--id-green);
}

.definition-card h3 {
    margin:
        22px 0 13px;

    color: var(--id-navy) !important;

    font-size: 1.65rem;
}

.definition-card p {
    color: var(--id-text) !important;

    line-height: 1.72;
}

.definition-question {
    margin-top: 22px;

    padding: 15px 17px;

    border-radius: 11px;

    background: var(--id-bg);

    color: var(--id-text);
}

.definition-question strong {
    color: var(--id-navy);
}

.definition-arrow {
    display: flex;

    align-items: center;
    justify-content: center;

    flex-direction: column;

    color: var(--id-teal);

    text-align: center;
}

.definition-arrow span {
    font-size: 2.5rem;

    font-weight: 300;
}

.definition-arrow small {
    margin-top: -4px;

    color: var(--id-muted);

    font-size: .6rem;

    font-weight: 900;

    letter-spacing: .1em;
}


/* =========================================================
   GOLDEN RULE
========================================================= */

.golden-rule {
    margin-top: 24px;

    padding: 21px 25px;

    display: flex;

    align-items: center;

    gap: 17px;

    border:
        1px solid #ecd9a6;

    border-radius: 16px;

    background:
        linear-gradient(
            100deg,
            #fff7df,
            #fffaf0
        );
}

.golden-rule-mark {
    width: 42px;
    height: 42px;

    flex-shrink: 0;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: var(--id-gold);

    color: var(--id-navy);

    font-weight: 900;
}

.golden-rule strong {
    color: var(--id-navy);

    font-size: .76rem;

    letter-spacing: .1em;
}

.golden-rule p {
    margin: 3px 0 0;

    color: var(--id-text) !important;
}


/* =========================================================
   TETANUS EXAMPLE
========================================================= */

.tetanus-example {
    margin-top: 22px;

    padding: 25px;

    display: flex;

    align-items: flex-start;

    gap: 18px;

    border:
        1px solid #eadbd0;

    border-radius: 18px;

    background:
        linear-gradient(
            135deg,
            #fff8f2,
            #fff3e6
        );
}

.tetanus-icon {
    width: 46px;
    height: 46px;

    flex-shrink: 0;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 14px;

    background: var(--id-orange);

    color: #ffffff;

    font-size: 1.35rem;

    font-weight: 900;
}

.mini-label {
    color: #9b5d29;

    font-size: .68rem;

    font-weight: 900;

    letter-spacing: .1em;
}

.tetanus-example h3 {
    margin: 5px 0 9px;

    color: var(--id-navy);

    font-size: 1.25rem;
}

.tetanus-example p {
    color: var(--id-text);

    line-height: 1.7;
}


/* =========================================================
   DISEASE LANDSCAPE
========================================================= */

.disease-landscape-section {
    max-width: 1320px;

    padding-top: 60px;

    padding-bottom: 90px;
}

.disease-landscape-grid {
    margin-top: 38px;

    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 18px;
}

.disease-tile {
    position: relative;

    min-height: 255px;

    padding: 25px 23px;

    border:
        1px solid rgba(11,45,77,.08);

    border-radius: 18px;

    overflow: hidden;

    background: #ffffff;

    box-shadow:
        0 9px 25px rgba(11,45,77,.07);

    transition:
        transform .25s ease,
        box-shadow .25s ease;
}

.disease-tile:hover {
    transform: translateY(-5px);

    box-shadow:
        0 16px 35px rgba(11,45,77,.12);
}

.disease-tile::after {
    content: "";

    position: absolute;

    width: 100px;
    height: 100px;

    right: -35px;
    bottom: -35px;

    border-radius: 50%;

    background: rgba(255,255,255,.5);
}

.tile-number {
    position: absolute;

    top: 18px;
    right: 20px;

    color: rgba(11,45,77,.3);

    font-size: .68rem;

    font-weight: 900;

    letter-spacing: .08em;
}

.tile-icon {
    width: 47px;
    height: 47px;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 13px;

    background: rgba(255,255,255,.72);

    color: var(--id-navy);

    font-size: 1.35rem;

    font-weight: 900;
}

.disease-tile h3 {
    margin:
        20px 0 9px;

    color: var(--id-navy);

    font-size: 1.25rem;
}

.disease-tile p {
    position: relative;
    z-index: 1;

    margin: 0;

    color: var(--id-text);

    font-size: .91rem;

    line-height: 1.6;
}

.tile-examples {
    position: relative;
    z-index: 2;

    margin-top: 18px;

    padding-top: 13px;

    border-top:
        1px solid rgba(11,45,77,.12);

    color: var(--id-navy);

    font-size: .77rem;

    font-weight: 800;

    line-height: 1.5;
}


/* Tile palette */

.tile-respiratory {
    background:
        linear-gradient(145deg,#e7f5fb,#f7fbfd);
}

.tile-vaccine {
    background:
        linear-gradient(145deg,#e9f7f2,#f8fcfa);
}

.tile-food {
    background:
        linear-gradient(145deg,#fff5df,#fffaf1);
}

.tile-vector {
    background:
        linear-gradient(145deg,#f1ecfb,#fbf9fe);
}

.tile-blood {
    background:
        linear-gradient(145deg,#fceeee,#fffafa);
}

.tile-zoonotic {
    background:
        linear-gradient(145deg,#edf7ef,#f9fcfa);
}

.tile-sti {
    background:
        linear-gradient(145deg,#f5eef9,#fcf9fe);
}

.tile-ntd {
    background:
        linear-gradient(145deg,#fff0e4,#fff9f4);
}


/* =========================================================
   LANDSCAPE NOTE
========================================================= */

.landscape-note {
    margin-top: 22px;

    padding: 17px 20px;

    display: flex;

    align-items: flex-start;

    gap: 10px;

    border-radius: 12px;

    background: #ffffff;

    border:
        1px solid var(--id-border);

    color: var(--id-muted);

    font-size: .88rem;

    line-height: 1.6;
}

.landscape-note strong {
    color: var(--id-navy);

    white-space: nowrap;
}


/* =========================================================
   CORE SUBJECT GRID
========================================================= */

.core-section {
    max-width: 1280px;

    padding-top: 80px;
}

.id-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 22px;

    margin-top: 38px;
}


/* =========================================================
   SUBJECT CARDS
========================================================= */

.id-card {
    position: relative;

    padding: 30px;

    background: #ffffff !important;

    color: var(--id-text) !important;

    border:
        1px solid var(--id-border);

    border-radius: 19px;

    box-shadow:
        0 8px 25px rgba(11,45,77,.07);

    overflow: hidden;
}

.id-card::before {
    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 4px;
    height: 100%;

    background: var(--id-teal);

    opacity: .65;
}

.id-card h3 {
    margin:
        5px 0 15px;

    color: var(--id-navy) !important;

    font-size: 1.35rem;

    line-height: 1.3;
}

.id-card p {
    color: var(--id-text) !important;
}

.id-card ul {
    padding-left: 20px;

    color: var(--id-text) !important;
}

.id-card li {
    margin: 7px 0;

    color: var(--id-text) !important;

    line-height: 1.5;
}


/* =========================================================
   CARD NUMBERS
========================================================= */

.id-number {
    width: 45px;
    height: 45px;

    display: flex;

    align-items: center;
    justify-content: center;

    margin-bottom: 15px;

    border-radius: 50%;

    background: var(--id-navy) !important;

    color: #ffffff !important;

    font-size: 1rem;

    font-weight: 900;
}


/* =========================================================
   AIRBORNE
========================================================= */

.id-card.airborne {
    border:
        2px solid var(--id-teal);
}

.id-highlight {
    margin-top: 20px;

    padding: 16px 18px;

    background: var(--id-teal-light) !important;

    border-left:
        4px solid var(--id-teal);

    border-radius: 8px;

    color: var(--id-text) !important;
}

.id-highlight strong {
    color: var(--id-navy) !important;
}

.id-highlight p {
    color: var(--id-text) !important;
}


/* =========================================================
   ONE HEALTH
========================================================= */

.one-health-card {
    border:
        2px solid var(--id-green);
}

.one-health {
    display: flex;

    flex-wrap: wrap;

    align-items: center;
    justify-content: center;

    gap: 8px;

    margin:
        22px 0;

    padding: 18px;

    background: var(--id-green-light) !important;

    border-radius: 12px;

    color: var(--id-text) !important;

    font-size: .78rem;

    font-weight: 900;

    text-align: center;
}

.one-health span:nth-child(even) {
    color: var(--id-green);
}


/* =========================================================
   GLOBAL FUND
========================================================= */

.global-fund {
    margin-top: 20px;

    padding: 20px;

    background: var(--id-gold-light) !important;

    border-left:
        5px solid var(--id-gold);

    border-radius: 10px;

    color: var(--id-text) !important;
}

.global-fund strong {
    color: var(--id-navy) !important;

    font-size: .76rem;

    letter-spacing: .08em;
}

.global-fund p {
    color: var(--id-text) !important;
}

.global-fund a {
    color: var(--id-teal) !important;

    font-weight: 800;

    text-decoration: none;
}

.global-fund a:hover {
    text-decoration: underline;
}


/* =========================================================
   HEPATITIS
========================================================= */

.hepatitis-list {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin:
        20px 0;
}

.hepatitis-list span {
    padding:
        7px 11px;

    background: var(--id-teal-light) !important;

    border-radius: 20px;

    color: var(--id-navy) !important;

    font-weight: 700;

    font-size: .85rem;
}


/* =========================================================
   NTD
========================================================= */

.ntd-card {
    border:
        2px solid var(--id-orange);
}

.ntd-box {
    margin:
        20px 0;

    padding: 20px;

    background: var(--id-orange-light) !important;

    border-left:
        5px solid var(--id-orange);

    border-radius: 10px;

    color: var(--id-text) !important;
}

.ntd-box strong {
    color: #7b471d !important;

    font-size: .78rem;

    letter-spacing: .07em;
}

.ntd-box p {
    color: var(--id-text) !important;
}


/* =========================================================
   VECTOR / ZOONOTIC
========================================================= */

.one-health-cycle {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;

    margin:
        20px 0;
}

.one-health-cycle span {
    padding: 12px;

    background: var(--id-green-light) !important;

    border-radius: 10px;

    color: var(--id-text) !important;

    font-weight: 800;

    text-align: center;
}


/* =========================================================
   HEALTH SYSTEMS
========================================================= */

.health-system-card {
    border:
        2px solid var(--id-navy);
}

.health-levels {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 6px;

    margin:
        20px 0;
}

.health-levels span {
    padding: 11px 5px;

    background: var(--id-navy) !important;

    color: #ffffff !important;

    border-radius: 7px;

    font-size: .72rem;

    font-weight: 900;

    text-align: center;
}

.id-question {
    margin-top: 20px;

    padding: 15px 17px;

    background: var(--id-bg) !important;

    border-left:
        4px solid var(--id-teal);

    border-radius: 8px;

    color: var(--id-text) !important;
}

.id-question strong {
    color: var(--id-navy) !important;
}


/* =========================================================
   SPATIAL FLOW
========================================================= */

.spatial-section {
    max-width: 1280px;

    text-align: center;

    border-radius: 22px;

    background:
        linear-gradient(
            145deg,
            #ffffff,
            #eef8fa
        );

    box-shadow:
        0 10px 28px rgba(11,45,77,.05);
}

.spatial-section h2 {
    margin-left: auto;
    margin-right: auto;
}

.spatial-section .lead {
    margin-left: auto;
    margin-right: auto;
}

.spatial-flow {
    display: flex;

    flex-wrap: wrap;

    align-items: center;
    justify-content: center;

    gap: 10px;

    margin:
        35px 0;

    color: var(--id-navy);

    font-weight: 900;
}

.spatial-flow span:nth-child(odd) {
    padding:
        12px 16px;

    background: #dff2f3;

    border-radius: 30px;

    color: var(--id-navy);

    font-size: .8rem;
}

.spatial-flow span:nth-child(even) {
    color: var(--id-teal);

    font-size: 1.1rem;
}


/* =========================================================
   CONNECTION LENSES
========================================================= */

.connection-lenses {
    display: grid;

    grid-template-columns:
        repeat(5, 1fr);

    gap: 10px;

    margin-top: 30px;
}

.connection-lenses div {
    padding: 18px 10px;

    background: #ffffff;

    border:
        1px solid var(--id-border);

    border-radius: 13px;
}

.connection-lenses strong {
    display: block;

    color: var(--id-navy);

    font-size: .68rem;

    letter-spacing: .06em;
}

.connection-lenses span {
    display: block;

    margin-top: 6px;

    color: var(--id-muted);

    font-size: .8rem;
}


/* =========================================================
   SDG GRID
========================================================= */

.global-lens-section {
    max-width: 1280px;
}

.sdg-grid {
    display: grid;

    grid-template-columns:
        repeat(5, 1fr);

    gap: 15px;

    margin-top: 35px;
}

.sdg-card {
    padding: 24px 18px;

    background: #ffffff !important;

    border:
        1px solid var(--id-border);

    border-radius: 15px;

    color: var(--id-text) !important;

    text-align: center;

    box-shadow:
        0 6px 18px rgba(11,45,77,.04);
}

.sdg-sdh {
    grid-column: span 1;

    background:
        linear-gradient(
            145deg,
            #edf5fb,
            #ffffff
        ) !important;
}

.sdg-number {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-width: 65px;

    padding: 7px 11px;

    border-radius: 20px;

    background: var(--id-navy);

    color: #ffffff;

    font-size: .72rem;

    font-weight: 900;
}

.sdg-card h3 {
    margin:
        14px 0 8px;

    color: var(--id-navy);

    font-size: 1rem;
}

.sdg-card p {
    color: var(--id-text) !important;

    font-size: .88rem;
}


/* =========================================================
   MCQ
========================================================= */

.quiz-section {
    max-width: 1280px;
}

.quiz-intro {
    margin-bottom: 25px;
}

.mcq-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 20px;
}

.mcq-card {
    display: flex;

    align-items: flex-start;

    gap: 18px;

    padding: 24px;

    background: #ffffff !important;

    color: var(--id-text) !important;

    border:
        1px solid var(--id-border);

    border-radius: 16px;

    box-shadow:
        0 8px 22px rgba(11,45,77,.06);
}

.mcq-number {
    flex:
        0 0 44px;

    width: 44px;
    height: 44px;

    display: flex;

    align-items: center;
    justify-content: center;

    background: var(--id-navy) !important;

    color: #ffffff !important;

    border-radius: 50%;

    font-weight: 900;
}

.mcq-content {
    flex: 1;

    color: var(--id-text) !important;
}

.mcq-content h3 {
    margin:
        0 0 15px;

    color: var(--id-navy) !important;

    font-size: 1.03rem;

    line-height: 1.45;
}

.mcq-content label {
    display: block;

    margin: 8px 0;

    padding: 10px 12px;

    background: var(--id-bg) !important;

    color: var(--id-text) !important;

    border:
        1px solid transparent;

    border-radius: 8px;

    cursor: pointer;

    transition:
        .2s ease;
}

.mcq-content label:hover {
    background: #e4f2f5 !important;

    border-color: var(--id-teal);
}

.mcq-content input {
    margin-right: 8px;

    accent-color: var(--id-teal);
}

.final-question {
    border:
        2px solid var(--id-gold);
}


/* =========================================================
   REFLECTION
========================================================= */

.reflection-section {
    max-width: 1150px;

    text-align: center;
}

.reflection-section h2 {
    margin-left: auto;
    margin-right: auto;
}

.reflection-section .lead {
    margin-left: auto;
    margin-right: auto;
}

.reflection-box {
    max-width: 900px;

    margin: 35px auto 0;

    padding: 30px;

    background:
        linear-gradient(
            135deg,
            #0b2d4d,
            #124b68
        );

    color: #ffffff !important;

    border-radius: 20px;

    box-shadow:
        0 15px 35px rgba(11,45,77,.14);
}

.reflection-step {
    display: flex;

    align-items: flex-start;

    gap: 16px;

    padding: 18px 0;

    text-align: left;

    border-bottom:
        1px solid rgba(255,255,255,.14);
}

.reflection-step:last-of-type {
    border-bottom: 0;
}

.reflection-step span {
    width: 36px;
    height: 36px;

    flex-shrink: 0;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #f2b84b;

    color: var(--id-navy);

    font-size: .76rem;

    font-weight: 900;
}

.reflection-step p {
    margin: 4px 0 0;

    color: #ffffff !important;
}

.reflection-reminder {
    margin-top: 18px;

    padding: 20px;

    border-radius: 13px;

    background: rgba(255,255,255,.08);

    text-align: left;
}

.reflection-reminder strong {
    color: #f7d27a;

    font-size: .75rem;

    letter-spacing: .1em;
}

.reflection-reminder p {
    margin: 6px 0 0;

    color: #ffffff !important;
}


/* =========================================================
   EVIDENCE
========================================================= */

.evidence-section {
    max-width: 1280px;
}

.evidence-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 15px;

    margin-top: 32px;
}

.evidence-grid a {
    min-height: 100px;

    padding: 18px;

    display: flex;

    flex-direction: column;

    justify-content: center;

    gap: 4px;

    background: #ffffff !important;

    border:
        1px solid var(--id-border);

    border-radius: 13px;

    color: var(--id-navy) !important;

    font-weight: 800;

    text-decoration: none;

    box-shadow:
        0 6px 18px rgba(11,45,77,.04);
}

.evidence-grid a span {
    color: var(--id-teal);

    font-size: .65rem;

    font-weight: 900;

    letter-spacing: .1em;
}

.evidence-grid a b {
    margin-top: 5px;

    color: var(--id-gold);

    font-size: .95rem;
}

.evidence-grid a:hover {
    transform: translateY(-3px);

    border-color: var(--id-teal);

    box-shadow:
        0 10px 25px rgba(11,45,77,.1);
}

.review-status {
    margin-top: 30px;

    padding: 20px;

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 15px;

    background: var(--id-teal-light);

    border-radius: 13px;
}

.review-status div {
    display: flex;

    flex-direction: column;

    gap: 4px;

    text-align: center;
}

.review-status strong {
    color: var(--id-navy);

    font-size: .73rem;

    letter-spacing: .05em;
}

.review-status span {
    color: var(--id-text);

    font-size: .83rem;
}


/* =========================================================
   FINAL CTA
========================================================= */

.id-final-cta {
    margin-top: 20px;

    padding:
        90px 25px;

    background:
        linear-gradient(
            135deg,
            #071f35,
            #0b2d4d 55%,
            #087f8c
        );

    color: #ffffff;

    text-align: center;
}

.id-final-cta-inner {
    max-width: 900px;

    margin: 0 auto;
}

.id-final-cta .section-label {
    color: #8de0df !important;
}

.id-final-cta h2 {
    margin:
        15px auto 17px;

    color: #ffffff;

    font-size:
        clamp(2rem, 4vw, 3.3rem);

    line-height: 1.12;
}

.id-final-cta h2 span {
    display: block;

    color: #8de0df;
}

.id-final-cta p {
    max-width: 680px;

    margin: 0 auto;

    color: rgba(255,255,255,.86);

    font-size: 1.05rem;

    line-height: 1.7;
}

.id-final-actions {
    margin-top: 30px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-wrap: wrap;

    gap: 12px;
}

.id-btn {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-height: 48px;

    padding: 12px 20px;

    border-radius: 25px;

    font-weight: 900;

    text-decoration: none;
}

.id-btn-primary {
    background: var(--id-gold);

    color: var(--id-navy);
}

.id-btn-primary:hover {
    transform: translateY(-2px);

    box-shadow:
        0 8px 20px rgba(0,0,0,.18);
}

.id-btn-secondary {
    border:
        1px solid rgba(255,255,255,.35);

    background:
        rgba(255,255,255,.07);

    color: #ffffff;
}

.id-btn-secondary:hover {
    background:
        rgba(255,255,255,.13);
}


/* =========================================================
   FOOTER
========================================================= */

.id-footer {
    background: #061b2d;

    color: #ffffff;
}

.id-footer-inner {
    max-width: 1250px;

    margin: 0 auto;

    padding:
        45px 25px;

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 40px;
}

.footer-logo {
    width: 45px;
    height: 45px;

    display: flex;

    align-items: center;
    justify-content: center;

    margin-bottom: 12px;

    border-radius: 12px;

    background: var(--id-teal);

    color: #ffffff;

    font-size: .8rem;

    font-weight: 900;
}

.id-footer h3 {
    margin: 0 0 5px;

    color: #ffffff;
}

.id-footer p {
    margin: 0;

    color: rgba(255,255,255,.65);

    font-size: .88rem;
}

.id-footer-links {
    display: flex;

    flex-wrap: wrap;

    justify-content: flex-end;

    gap: 8px 20px;
}

.id-footer-links a {
    color: rgba(255,255,255,.72);

    font-size: .83rem;

    font-weight: 700;

    text-decoration: none;
}

.id-footer-links a:hover {
    color: #ffffff;
}

.id-footer-bottom {
    max-width: 1250px;

    margin: 0 auto;

    padding:
        16px 25px 22px;

    display: flex;

    justify-content: space-between;

    gap: 20px;

    border-top:
        1px solid rgba(255,255,255,.1);

    color: rgba(255,255,255,.48);

    font-size: .72rem;
}


/* =========================================================
   VISIBILITY SAFETY
========================================================= */

.infectious-diseases-page
.id-card *,
.infectious-diseases-page
.mcq-card *,
.infectious-diseases-page
.sdg-card *,
.infectious-diseases-page
.evidence-grid a *,
.infectious-diseases-page
.disease-tile * {
    opacity: 1 !important;

    visibility: visible !important;
}


/* =========================================================
   RESPONSIVE — 1100px
========================================================= */

@media (max-width: 1100px) {

    .id-nav-links {
        gap: 0;
    }

    .id-nav-links a {
        padding:
            8px 8px;

        font-size: .75rem;
    }

    .disease-landscape-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .connection-lenses {
        grid-template-columns:
            repeat(3, 1fr);
    }

    .sdg-grid {
        grid-template-columns:
            repeat(3, 1fr);
    }

    .sdg-sdh {
        grid-column: span 3;
    }

    .evidence-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }

}


/* =========================================================
   RESPONSIVE — 850px
========================================================= */

@media (max-width: 850px) {

    .id-navbar {
        flex-wrap: wrap;

        justify-content: center;
    }

    .id-brand {
        margin-right: auto;
    }

    .id-nav-cta {
        margin-left: auto;
    }

    .id-nav-links {
        order: 3;

        flex-basis: 100%;

        overflow-x: auto;

        justify-content: flex-start;

        padding-bottom: 4px;
    }

    .id-nav-links a {
        flex-shrink: 0;
    }

    .distinction-visual {
        grid-template-columns: 1fr;

        gap: 10px;
    }

    .definition-arrow {
        height: 50px;

        flex-direction: row;

        gap: 10px;
    }

    .definition-arrow span {
        transform: rotate(90deg);
    }

    .definition-arrow small {
        margin: 0;
    }

    .id-grid,
    .mcq-grid {
        grid-template-columns: 1fr;
    }

    .connection-lenses {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .sdg-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .sdg-sdh {
        grid-column: span 2;
    }

    .id-footer-inner {
        flex-direction: column;

        align-items: flex-start;
    }

    .id-footer-links {
        justify-content: flex-start;
    }

}


/* =========================================================
   RESPONSIVE — 650px
========================================================= */

@media (max-width: 650px) {

    .id-navbar {
        padding:
            9px 16px;
    }

    .id-brand-name {
        font-size: .9rem;
    }

    .id-brand-mark {
        width: 38px;
        height: 38px;
    }

    .id-nav-cta {
        padding:
            9px 13px;

        font-size: .72rem;
    }

    .id-hero {
        min-height: 600px;
    }

    .id-hero-content {
        padding:
            65px 18px;
    }

    .id-hero-content h1 {
        font-size: 2.45rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-description {
        font-size: .95rem;
    }

    .hero-principle {
        flex-direction: column;

        align-items: flex-start;

        padding:
            18px 20px;
    }

    .hero-pathway {
        gap: 6px;

        font-size: .63rem;
    }

    .id-section {
        padding:
            60px 18px;
    }

    .id-section h2 {
        font-size: 2rem;
    }

    .id-principle,
    .tetanus-example {
        flex-direction: column;

        padding:
            22px;
    }

    .definition-card {
        padding:
            24px;
    }

    .disease-landscape-grid {
        grid-template-columns: 1fr;

        gap: 14px;
    }

    .disease-tile {
        min-height: auto;
    }

    .landscape-note {
        flex-direction: column;
    }

    .connection-lenses,
    .sdg-grid,
    .evidence-grid {
        grid-template-columns: 1fr;
    }

    .sdg-sdh {
        grid-column: span 1;
    }

    .spatial-flow {
        gap: 7px;
    }

    .spatial-flow span:nth-child(odd) {
        padding:
            10px 12px;

        font-size: .68rem;
    }

    .mcq-card {
        flex-direction: column;

        padding:
            20px;
    }

    .health-levels {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .one-health {
        font-size: .7rem;
    }

    .reflection-box {
        padding:
            22px;
    }

    .review-status {
        grid-template-columns: 1fr;
    }

    .id-final-cta {
        padding:
            70px 18px;
    }

    .id-final-actions {
        flex-direction: column;
    }

    .id-btn {
        width: 100%;
    }

    .id-footer-inner {
        padding:
            38px 18px;
    }

    .id-footer-bottom {
        padding:
            15px 18px 20px;

        flex-direction: column;

        gap: 7px;
    }

}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

    .infectious-diseases-page *,
    .infectious-diseases-page *::before,
    .infectious-diseases-page *::after {
        scroll-behavior: auto !important;

        transition: none !important;
    }

}